<template>
	<!--本文件由FirstUI授权予曾*超（会员ID：28   46，身份证尾号：2130     37）专用，请尊重知识产权，勿私下传播，违者追究法律责任。-->
	<view
		class="fui-radio__input"
		:class="{
			'fui-radio__disabled': disabled,
			'fui-radio__color': !getColor && val && (!isCheckMark || styleType == 2),
			'fui-radio__active-bgcolor': !getColor && val && !isCheckMark && styleType == 1
		}"
		:style="{
			background: getBackgroundColor(val, isCheckMark, styleType),
			borderColor: getBorderColor(val, isCheckMark, styleType),
			zoom: isNvue ? 1 : scaleRatio,
			transform: `scale(${isNvue ? scaleRatio : 1})`,
			borderRadius: borderRadius
		}"
		@tap.stop="radioChange"
	>
		<view class="fui-check__mark" :style="{ borderBottomColor: checkMarkColor, borderRightColor: checkMarkColor }" v-if="val && styleType == 1"></view>
		<view
			class="fui-check__mark-circle"
			:class="{ 'fui-radio__active-bgcolor': dotColor == '' || dotColor === true }"
			:style="{ background: dotColor || getColor }"
			v-if="val && styleType == 2"
		></view>
		<radio class="fui-radio__hidden" style="opacity: 0; position: absolute" :color="getColor" :disabled="disabled" :value="getValue" :checked="val"></radio>
	</view>
</template>

<script>
export default {
	name: "fui-radio",
	emits: ['change'],
	props: {
		value: {
			type: [String, Number],
			default: ''
		},
		checked: {
			type: Boolean,
			default: false
		},
		disabled: {
			type: Boolean,
			default: false
		},
		//radio选中背景颜色
		color: {
			type: String,
			default: ''
		},
		//radio未选中时边框颜色
		borderColor: {
			type: String,
			default: '#ccc'
		},
		borderRadius: {
			type: String,
			// #ifdef APP-NVUE
			default: '40rpx'
			// #endif
			// #ifndef APP-NVUE
			default: '50%'
			// #endif
		},
		//是否只展示对号，无边框背景
		isCheckMark: {
			type: Boolean,
			default: false
		},
		//对号颜色
		checkMarkColor: {
			type: String,
			default: '#fff'
		},
		dotColor: {
			type: String,
			default: ''
		},
		scaleRatio: {
			type: [Number, String],
			default: 1
		},
		styleType: {
			type: [Number, String],
			default: 1
		}
	},
	// #ifndef VUE3
	beforeDestroy() {
		this.unInstall()
	},
	// #endif
	// #ifdef VUE3
	beforeUnmount() {
		this.unInstall()
	},
	// #endif
	created() {
		this.val = this.checked;
		this.group = this.getParent()
		if (this.group) {
			this.group.childrens.push(this);
			if (this.group.value) {
				this.val = this.value === this.group.value
			}
			// #ifdef VUE3
			if (this.group.modelValue) {
				this.val = this.value === this.group.modelValue
			}
			// #endif
		}
		this.label = this.getParent('fui-label')
		if (this.label) {
			this.label.childrens.push(this);
		}
	},
	watch: {
		checked(newVal) {
			this.val = newVal;
		},
		val(newVal) {
			if (newVal && this.group) {
				this.group.changeValue(this.value, this);
			}
		}
	},
	computed: {
		getColor() {
			let color = this.color;
			// #ifdef APP-NVUE
			if (!color || color === true) {
				const app = uni && uni.$fui && uni.$fui.color;
				color = (app && app.primary) || '#465CFF';
			}
			// #endif
			return color;
		},
		getValue() {
			return String(this.value)
		}
	},
	data() {
		let isNvue = false;
		// #ifdef APP-NVUE
		isNvue = true;
		// #endif
		return {
			val: false,
			isNvue: isNvue
		};
	},
	methods: {
		unInstall() {
			if (this.group) {
				this.group.childrens.forEach((item, index) => {
					if (item === this) {
						this.group.childrens.splice(index, 1)
					}
				})
			}
		},
		getBackgroundColor(val, isCheckMark, styleType) {
			let color = val && styleType == 1 ? this.getColor : '#fff'
			if (isCheckMark && styleType == 1) {
				color = 'transparent'
			}
			return color;
		},
		getBorderColor(val, isCheckMark, styleType) {
			let color = val ? this.getColor : this.borderColor;
			if (isCheckMark && styleType == 1) {
				color = 'transparent'
			}
			return color;
		},
		radioChange(e) {
			if (this.disabled || this.val) return;
			this.val = true;
			this.$emit('change', {
				checked: this.val,
				value: this.value
			})
		},
		getParent(name = 'fui-radio-group') {
			let parent = this.$parent;
			let parentName = parent.$options.name;
			while (parentName !== name) {
				parent = parent.$parent;
				if (!parent) return false;
				parentName = parent.$options.name;
			}
			return parent;
		},
		labelClick() {
			this.radioChange()
		}
	}
}
</script>

<style scoped>
.fui-radio__input {
	font-size: 0;
	color: rgba(0, 0, 0, 0);
	width: 20px;
	height: 20px;
	border-width: 1px;
	border-style: solid;
	/* #ifdef APP-NVUE */
	border-radius: 40rpx;
	/* #endif */
	/* #ifndef APP-NVUE */
	border-radius: 50%;
	display: inline-flex;
	box-sizing: border-box;
	vertical-align: top;
	flex-shrink: 0;
	/* #endif */
	flex-direction: row;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	position: relative;
}

/* #ifndef APP-NVUE */
.fui-radio__active-bgcolor {
	background: var(--fui-color-primary, #465cff) !important;
}

.fui-radio__color {
	border-color: var(--fui-color-primary, #465cff) !important;
}

/* #endif */

.fui-check__mark {
	width: 20rpx;
	height: 40rpx;
	border-bottom-style: solid;
	border-bottom-width: 3px;
	border-bottom-color: #ffffff;
	border-right-style: solid;
	border-right-width: 3px;
	border-right-color: #ffffff;
	/* #ifndef APP-NVUE */
	box-sizing: border-box;
	transform: rotate(45deg) scale(0.5) translateZ(0);
	/* #endif */
	/* #ifdef APP-NVUE */
	transform: rotate(45deg) scale(0.5);
	/* #endif */
	transform-origin: 54% 48%;
}

.fui-check__mark-circle {
	width: 16rpx;
	height: 16rpx;
	/* #ifdef APP-NVUE */
	border-radius: 16rpx;
	/* #endif */

	/* #ifndef APP-NVUE */
	border-radius: 50%;
	/* #endif */
}

.fui-radio__hidden {
	/* #ifndef APP-NVUE */
	width: 100%;
	height: 100%;
	border: 0 none;
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
	pointer-events: none;
	/* #endif */
	/* #ifdef APP-NVUE */
	width: 100wx;
	height: 100wx;
	border-width: 0;
	/* #endif */
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	z-index: 2;
}

.fui-radio__disabled {
	opacity: 0.6;
}
</style>
